/*-----------------------------+
| |
| Shared by www.Aptrafx.com |
| |
+------------------------------*/
//+------------------------------------------------------------------+
//| NRTR_color_line.mq4 |
//+------------------------------------------------------------------+
#property indicator_chart_window
#property indicator_buffers 2
#property indicator_color1 Blue
#property indicator_color2 Red
//---- input parameters
extern int ATRPeriod=14;
extern double Coefficient=4.0;
extern int StartBar=1000;
//---- buffers
double value1[];
double value2[];
bool TrendUP;
double Extremum,TR,ATR,Values[100],ChannelWidth;
int J,Head,Weight,Curr;
int init() {
//---- indicator line
IndicatorBuffers(2);
SetIndexStyle(0,DRAW_LINE);
SetIndexArrow(0,167);
SetIndexEmptyValue(0,0);
SetIndexEmptyValue(1,0);
SetIndexStyle(1,DRAW_LINE);
SetIndexArrow(1,167);
SetIndexBuffer(0,value1);
SetIndexBuffer(1,value2);
return(0);
}
int start() {
int Shift;
if (Close[StartBar-2] > Close[StartBar-1]) TrendUP = true;
else TrendUP = false;
Extremum = Close[ StartBar - 2 ];
for (Shift = StartBar - 3; Shift>=0; Shift--) {
TR = High[Shift] - Low[Shift];
if ( MathAbs( High[ Shift ] - Close[ Shift + 1 ]) > TR ) TR = MathAbs( High[ Shift ] - Close[ Shift + 1 ]);
if ( MathAbs( Low[ Shift ] - Close[ Shift + 1 ]) > TR ) TR = MathAbs( Low[ Shift ] - Close[ Shift + 1 ]);
if (Shift == StartBar - 3)
for (J = 0; J<ATRPeriod; J++) {
Values[J] = TR;
}
Values[ Head ] = TR;
ATR = 0;
Weight = ATRPeriod;
Curr = Head;
for (J = 0; J<ATRPeriod; J++) {
ATR += Values[ Curr ] * Weight;
Weight -= 1;
Curr -= 1;
if ( Curr == -1 ) Curr = ATRPeriod - 1;
}
ATR = ( 2.0 * ATR ) / ( ATRPeriod * ( ATRPeriod + 1.0 ));
Head += 1;
if (Head == ATRPeriod) Head = 0;
ChannelWidth = Coefficient * ATR;
if (TrendUP && ( Low[ Shift ] < ( Extremum - ChannelWidth ) ) ) {
TrendUP = false;
Extremum = High[ Shift ];
}
if ( !TrendUP && ( High[ Shift ] > ( Extremum + ChannelWidth) ) ) {
TrendUP = true;
Extremum = Low[ Shift ];
}
if ( TrendUP && ( Low[Shift] > Extremum ) ) Extremum = Low[ Shift ];
if ( !TrendUP && ( High[ Shift ] < Extremum ) ) Extremum = High[ Shift ];
if (TrendUP) {
value1[Shift]=Extremum - ChannelWidth;
value2[Shift]=0;
} else {
value1[Shift]=0;
value2[Shift]=Extremum + ChannelWidth;
}
}
}
Sample
Analysis
Market Information Used:
Series array that contains close prices for each bar
Series array that contains the highest prices of each bar
Series array that contains the lowest prices of each bar
Indicator Curves created:
Implements a curve of type DRAW_LINE
Indicators Used:
Custom Indicators Used:
Order Management characteristics:
Other Features: